chromium/src/third_party/blink/web_tests/dom/text/previous-element-sibling.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <script src="../../resources/js-test.js"></script>
 <script>

 description('This tests the NonDocumentTypeChildNode interface previousElementSibling property on a Text node.');

 var element = document.createElement('div');
 var a = element.appendChild(new Text('a'));
 shouldBeNull('a.previousElementSibling');
 var b = element.insertBefore(document.createElement('b'), a);
 shouldBe('a.previousElementSibling', 'b');
 var c = element.insertBefore(new Comment('c'), a);
 shouldBe('a.previousElementSibling', 'b');

 </script>
	<!DOCTYPE html>
	<script src="../../resources/js-test.js"></script>
	<script>

	description('This tests the NonDocumentTypeChildNode interface previousElementSibling property on a Text node.');

	var element = document.createElement('div');
	var a = element.appendChild(new Text('a'));
	shouldBeNull('a.previousElementSibling');
	var b = element.insertBefore(document.createElement('b'), a);
	shouldBe('a.previousElementSibling', 'b');
	var c = element.insertBefore(new Comment('c'), a);
	shouldBe('a.previousElementSibling', 'b');

	</script>